EP0715304A3 - Method and recording sector control information on magneto-optical disk - Google Patents
Method and recording sector control information on magneto-optical disk Download PDFInfo
- Publication number
- EP0715304A3 EP0715304A3 EP96101763A EP96101763A EP0715304A3 EP 0715304 A3 EP0715304 A3 EP 0715304A3 EP 96101763 A EP96101763 A EP 96101763A EP 96101763 A EP96101763 A EP 96101763A EP 0715304 A3 EP0715304 A3 EP 0715304A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- control information
- sector control
- magneto
- optical disk
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
- G11B11/10515—Reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
- G11B11/10578—Servo format, e.g. prepits, guide tracks, pilot signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00745—Sectoring or header formats within a track
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4255491 | 1991-02-14 | ||
JP42554/91 | 1991-02-14 | ||
JP3042554A JP2959588B2 (en) | 1991-02-14 | 1991-02-14 | Magneto-optical disk and method of recording and reproducing sector management information thereof |
EP92102524A EP0499278B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92102524.3 Division | 1992-02-14 | ||
EP92102524A Division EP0499278B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0715304A2 EP0715304A2 (en) | 1996-06-05 |
EP0715304A3 true EP0715304A3 (en) | 1997-01-22 |
EP0715304B1 EP0715304B1 (en) | 1999-08-25 |
Family
ID=12639272
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96101827A Expired - Lifetime EP0715305B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
EP96101763A Expired - Lifetime EP0715304B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
EP92102524A Expired - Lifetime EP0499278B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96101827A Expired - Lifetime EP0715305B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92102524A Expired - Lifetime EP0499278B1 (en) | 1991-02-14 | 1992-02-14 | Method for recording sector control information on magneto-optical disk |
Country Status (4)
Country | Link |
---|---|
US (1) | US5371722A (en) |
EP (3) | EP0715305B1 (en) |
JP (1) | JP2959588B2 (en) |
DE (3) | DE69229884T2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2868682B2 (en) * | 1992-05-15 | 1999-03-10 | シャープ株式会社 | optical disk |
JP3133509B2 (en) | 1992-09-29 | 2001-02-13 | パイオニア株式会社 | Optical disk and optical disk drive |
JPH06150357A (en) * | 1992-11-04 | 1994-05-31 | Pioneer Electron Corp | Optical disk recording and reproducing device |
JP2878574B2 (en) * | 1993-12-01 | 1999-04-05 | シャープ株式会社 | Optical disc and reproducing method thereof |
JPH07182705A (en) * | 1993-12-21 | 1995-07-21 | Fujitsu Ltd | Magneto-optical medium and its reproducing device |
US5852591A (en) * | 1994-04-23 | 1998-12-22 | Sony Corporation | Magneto-optical recording medium and head unit for a magneto-optical recording medium |
JPH11283291A (en) * | 1998-01-30 | 1999-10-15 | Fujitsu Ltd | Storage device, optical recording medium and information recording method |
JP4273705B2 (en) * | 2002-05-13 | 2009-06-03 | 日本電気株式会社 | Optical disc media |
JP2005122774A (en) * | 2003-10-14 | 2005-05-12 | Nec Corp | Recording type optical disk device and optical disk medium |
US7492540B2 (en) * | 2006-09-15 | 2009-02-17 | Hitachi Global Storage Technologies Netherlands B.V. | Apparatus system and method for variable data density patterned media |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017655A1 (en) * | 1979-04-20 | 1980-10-29 | Rosenthal Technik AG | Hermetically tight ceramic-to-metal joint |
EP0193614A1 (en) * | 1984-09-04 | 1986-09-10 | Matsushita Electric Industrial Co., Ltd. | Disk-shaped record carrier |
JPH0393058A (en) * | 1989-09-06 | 1991-04-18 | Sony Corp | Signal reproduction method in magneto-optical recording medium |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2110459B (en) * | 1982-11-08 | 1985-08-14 | Kokusai Denshin Denwa Co Ltd | Magneto-optical recording system |
US4985881A (en) * | 1983-12-23 | 1991-01-15 | Hitachi, Ltd. | Record carrier for a magneto-optical disc memory having guide grooves of a plurality of tracks disposed with a predetermined relation to light spot diameter |
US4712204A (en) * | 1984-08-31 | 1987-12-08 | Matsushita Electric Industrial Co., Ltd. | Optical disk and method for reproducing reference signal therefrom |
JPH07105081B2 (en) * | 1985-01-23 | 1995-11-13 | 株式会社日立製作所 | Magneto-optical disk device and information processing method thereof |
JP2653073B2 (en) * | 1987-08-21 | 1997-09-10 | ソニー株式会社 | Disk-shaped recording medium |
KR970002341B1 (en) * | 1987-11-30 | 1997-03-03 | 소니 가부시끼가이샤 | Method for reproducing signal from magneto-optical |
JPH01149246A (en) * | 1987-12-04 | 1989-06-12 | Sony Corp | Magneto-optical recording medium |
US5168482A (en) * | 1989-08-31 | 1992-12-01 | Sony Corporation | Magnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layer |
US5050144A (en) * | 1989-12-11 | 1991-09-17 | International Business Machines Corporation | Recording intensity modulated signals and polarization-modulated optical signals in the same area of a storage member |
US5272692A (en) * | 1989-12-11 | 1993-12-21 | International Business Machines Corporation | Data storage member having areas in which intensity-modulated signals are overlaid with magneto-optically recorded signals |
JP2910250B2 (en) * | 1990-12-27 | 1999-06-23 | ソニー株式会社 | Magneto-optical recording medium |
JP2969963B2 (en) * | 1990-12-28 | 1999-11-02 | ソニー株式会社 | Signal reproducing method in magneto-optical recording medium |
-
1991
- 1991-02-14 JP JP3042554A patent/JP2959588B2/en not_active Expired - Fee Related
-
1992
- 1992-02-14 DE DE69229884T patent/DE69229884T2/en not_active Expired - Fee Related
- 1992-02-14 DE DE69215553T patent/DE69215553T2/en not_active Expired - Fee Related
- 1992-02-14 EP EP96101827A patent/EP0715305B1/en not_active Expired - Lifetime
- 1992-02-14 EP EP96101763A patent/EP0715304B1/en not_active Expired - Lifetime
- 1992-02-14 EP EP92102524A patent/EP0499278B1/en not_active Expired - Lifetime
- 1992-02-14 DE DE69229238T patent/DE69229238T2/en not_active Expired - Fee Related
-
1993
- 1993-08-13 US US08/106,487 patent/US5371722A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017655A1 (en) * | 1979-04-20 | 1980-10-29 | Rosenthal Technik AG | Hermetically tight ceramic-to-metal joint |
EP0193614A1 (en) * | 1984-09-04 | 1986-09-10 | Matsushita Electric Industrial Co., Ltd. | Disk-shaped record carrier |
JPH0393058A (en) * | 1989-09-06 | 1991-04-18 | Sony Corp | Signal reproduction method in magneto-optical recording medium |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 015, no. 274 (P - 1226) 11 July 1991 (1991-07-11) * |
Also Published As
Publication number | Publication date |
---|---|
EP0715305B1 (en) | 1999-05-19 |
DE69229238D1 (en) | 1999-06-24 |
EP0499278A2 (en) | 1992-08-19 |
US5371722A (en) | 1994-12-06 |
EP0715304A2 (en) | 1996-06-05 |
JPH04259941A (en) | 1992-09-16 |
DE69229884T2 (en) | 2000-01-27 |
DE69229884D1 (en) | 1999-09-30 |
EP0499278B1 (en) | 1996-12-04 |
EP0715304B1 (en) | 1999-08-25 |
EP0715305A3 (en) | 1997-01-22 |
EP0499278A3 (en) | 1993-08-11 |
DE69215553T2 (en) | 1997-04-03 |
EP0715305A2 (en) | 1996-06-05 |
DE69229238T2 (en) | 1999-10-14 |
DE69215553D1 (en) | 1997-01-16 |
JP2959588B2 (en) | 1999-10-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69126499D1 (en) | Disk player | |
EP0440224A3 (en) | Data playback apparatus for realizing high transfer rate | |
CA2049706A1 (en) | Disc shaped recording medium and recording/reproducing apparatus therefor | |
AU583289B2 (en) | Method and apparatus for reproducing signals | |
DE3272099D1 (en) | Optical data recording and reproducing apparatus | |
DE69220316D1 (en) | Disk recording and reproducing apparatus and disk | |
EP0793233A3 (en) | Information record medium, apparatus for recording the same and apparatus for reproducing the same | |
EP0603808A3 (en) | A digital signal recording and reproducing apparatus. | |
EP0400927A3 (en) | Recording and reproducing apparatus using opto-magneto media | |
EP0957486A3 (en) | Method for copying, recording, and editing data onto disk recording media, and disk recording apparatus | |
EP0149755A3 (en) | Optical information recording and reproducing apparatus | |
EP0499278A3 (en) | Method for recording sector control information on magneto-optical disk | |
HUT64430A (en) | Method for recording on and/or reproducing from a data carrier, data carrier, as well as recording and/or reproducing apparatus | |
EP0150992A3 (en) | Methods of and apparatus for recording digital signals | |
ATE154740T1 (en) | RECORDING AND/OR PLAYBACKING DEVICE HAVING MEANS FOR CREATING A POST-RECORDING AREA | |
EP0602581A3 (en) | Recording and reproducing apparatus for data storage and/or audio. | |
EP1026684A4 (en) | Method of writing tracking servo signal pattern for magnetic disk device | |
EP0421732A3 (en) | Information data recording/reproducing apparatus | |
ES8700776A1 (en) | Tracking control apparatus. | |
EP0358775A4 (en) | Photomagnetic recording method | |
MY121377A (en) | Magnetic recording method and apparatus for digital signals, magnetic reproducing method and apparatus for digital signals and tape-shaped recording medium | |
MY114538A (en) | Magnetic recording medium formed in a plurality of tracks and magnetic recording-reproducing apparatus for the same | |
DE69618115D1 (en) | Recording and / or reproduction of information | |
MY109702A (en) | System for reproduction programming of recorded items stored on a recording medium. | |
EP0460916A3 (en) | Format and method for recording digital data on record disks with a pre-erasure need to save extra rotations |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AC | Divisional application: reference to earlier application |
Ref document number: 499278 Country of ref document: EP |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB |
|
17P | Request for examination filed |
Effective date: 19970623 |
|
17Q | First examination report despatched |
Effective date: 19971020 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AC | Divisional application: reference to earlier application |
Ref document number: 499278 Country of ref document: EP |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REF | Corresponds to: |
Ref document number: 69229884 Country of ref document: DE Date of ref document: 19990930 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20090213 Year of fee payment: 18 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20090211 Year of fee payment: 18 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20090213 Year of fee payment: 18 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20100214 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20101029 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100301 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100901 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100214 |